Giant Robo was one of the classic Japanese Manga from the 1960s.
In 1967 it was turned into a live action TV show.
In the states it was known as Johnny Sokko and his Flying Robot.

In the 90s an original video animation called Giant Robo: The Day the Earth Stood Still was produced.
At that time Yamato produced several Giant Robo toys. Toy-Com imported a die cast Giant Robo figure.